The value of $$\frac{\sin 23^{\circ} \cos 67^{\circ} + \sec 52^{\circ} \sin 38^{\circ} + cos 23^{\circ} \sin 67^{\circ} + \cosec 52^{\circ} \cos 38^{\circ}}{\cosec^{2}20^{\circ} - \tan^{2}70^{\circ}}$$ is:

A

0

B

4

C

3

D

2